Avoid nasal tanning sprays or nasal tanners entirely. These products promise an all over tan without sun exposure but they are unregulated, can be unsafe, and contain potentially risky substances like Melanotan 2. Melanotan 2 10MG Raw Amino Melanotan II (Tan Jabs): Why They're Not Worth The Risk Melanotan 2 Injectable Peptide Your body already makes a hormone that tells your skin to tan. Melanotan 2 is a synthetic peptide engineered to mimic that hormone but in a version that's more potent and